diff options
| author | David Robillard <d@drobilla.net> | 2013-12-18 19:38:58 +0000 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2013-12-18 19:38:58 +0000 |
| commit | 63c2c34dd2b4ae5be99284b94c0b99d39600bd6f (patch) | |
| tree | 364b54ae6981b9cbc539013471ff7a7382577fce /src/fdgl.hpp | |
| parent | 5b34aff56759854ee18dbd901264ee445a232703 (diff) | |
| download | ganv-63c2c34dd2b4ae5be99284b94c0b99d39600bd6f.tar.gz ganv-63c2c34dd2b4ae5be99284b94c0b99d39600bd6f.tar.bz2 ganv-63c2c34dd2b4ae5be99284b94c0b99d39600bd6f.zip | |
FDGL: Add spring between partners so interface modules line up in Patchage.
git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@5181 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/fdgl.hpp')
| -rw-r--r-- | src/fdgl.hpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/fdgl.hpp b/src/fdgl.hpp index cabdba8..844912e 100644 --- a/src/fdgl.hpp +++ b/src/fdgl.hpp @@ -17,7 +17,6 @@ #include <math.h> static const double SPRING_K = 12.0; -static const double SPRING_LEN = 0.1; static const double CHARGE_KE = 80000.0; static const double AREA_WEIGHT = 0.4; @@ -57,11 +56,11 @@ vec_rmag(const Vector& vec) /** Hooke's law */ inline Vector -spring_force(const Vector& a, const Vector& b) +spring_force(const Vector& a, const Vector& b, const double length) { const Vector vec = vec_sub(b, a); const double rmag = vec_rmag(vec); - const double displacement = SPRING_LEN - (1.0 / rmag); + const double displacement = length - (1.0 / rmag); return vec_mult(vec, rmag * SPRING_K * displacement * 0.5); } |